Cyanoethylation of 2-mercaptoimidazoles a novel synthesis of thiazines and thiazole

1,3-thiazine derivatives have found application in clinical medicine due to their strong analgesic muscle relaxing properties, and hypothermic activities. These reports promoted to undertake the synthesis of fused heterocycles of the type imidazo [2,1-b] 1,3-thiazine for pharmacological studies